<div id="checkbox" class="field form-group has-feedback formio-component formio-component-checkbox formio-component-checkbox  required" ref="component">
  <div class="ui checkbox">
    <input ref="input" id="checkbox" name="data[checkbox]" type="checkbox" class="form-check-input" lang="en" value="0">
    </input>
    <label class=" field-required" for="checkbox">
      <span>Checkbox</span>
    </label>
  </div>
  <div ref="messageContainer"></div>
</div>